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Helioseismic Studies of Differential Rotation in the Solar Envelope by the Solar Oscillations Investigation Using the Michelson Doppler Imager

S. M. Chitre, Juri Toomre, Jesper Schou, 1998 .

STRUCTURE AND ROTATION OF THE SOLAR INTERIOR: INITIAL RESULTS FROM THE MDI MEDIUM-L PROGRAM

A. M. Title, C. J. Wolfson, J. Aloise, 1997 .